Description
In a situation where a FortiManager configuration has been restored, it is not possible to add new devices. When clicking on the "Discovery" button, the following pop-up is displayed : "Failed to discover the device".
Scope
All FortiManager versions
Solution
By default, after restoring a configuration, FortiManager is in "Offline Mode", and this has to be disabled in order to add new devices.
This can be disabled from the Web GUI: in System Settings --> Advanced --> Advanced Settings and check "Disable" on "Offline Mode".
# di dvm debug enable all
FMG400B # [dvmcmd:1009] main:4781: received incoming request; forking child process
[dvmcmd:4581] handle_request:4623: reading client command
[dvmcmd:4581] handle_request:4631: running command: update (3)
[dvmcmd:4581] update:1230: dm_probe_device(0)=-1
